#663AA5#663AA5

#663AA5 is a mid, vivid violet. Relative luminance 0.086; OKLCH L 45.9% C 0.165 H 298.6°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#663AA5
RGB	rgb(102, 58, 165)
HSL	hsl(265, 48%, 44%)
HSV	hsv(265, 65%, 65%)
CMYK	cmyk(38.2%, 64.8%, 0%, 35.3%)
CIE-LAB	lab(35.14, 42.26, -50.79)
CIE-LCH	lch(35.14, 66.07, 309.77°)
OKLab	oklab(45.91% 0.0789 -0.1446)
OKLCH	oklch(45.91% 0.165 298.6)
XYZ	xyz(13.7824, 8.5673, 36.5175)
Luminance	0.0857 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663AA5 #79A53A

analogous

#3A43A5 #663AA5 #9B3AA5

triadic

#663AA5 #A5663A #3AA566

tetradic

#663AA5 #A53A43 #79A53A #3AA59B

square

#663AA5 #A53A43 #79A53A #3AA59B

split-complementary

#663AA5 #A59B3A #43A53A

monochromatic

#2E1A4A #4A2A78 #663AA5 #8458C4 #A685D4

Accessibility & contrast

On white

7.74

#663AA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#663AA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AA5

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AA5	#FFFFFF	#000000	##FFFFFF
##663AA5	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A8

Deuteranopia (green-blind)

#0052A3

Tritanopia (blue-blind)

#57526A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #663aa5;
/* rgb */ color: rgb(102, 58, 165);
/* oklch */ color: oklch(45.9% 0.165 298.6);

Tailwind

colors: {
  custom: {
    50: '#9673c0',
    500: '#663aa5',
    950: '#000000',
  },
}

SCSS

$custom: #663aa5;
$custom-light: #9673c0;
$custom-dark: #000000;

JSON

{
  "hex": "#663aa5",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 165
  },
  "hsl": {
    "h": 264.673,
    "s": 47.982,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45914,
    "c": 0.16469,
    "h": 298.6
  },
  "luminance": 0.08568
}

Semantic roles & 50–950 ramp

primary

#663AA5

secondary

#A3BE7D

accent

#D850A0

background

#F9F7FB

surface

#F2EDF7

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663AA5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →